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Hello Sam,

I've tried two of them: NFS and Gluster.

Some problems with the former (migration didn't work properly), no problem
with the latter.
I vote for Gluster.

Hope it helps,
Marco.



On Fri, Feb 15, 2013 at 4:40 PM, Samuel Winchenbach <swinchen at gmail.com>wrote:

> Hi All,
>
> Can anyone give me a recommendation for a good shared-storage cluster
> filesystem?   I am running kvm-libvirt and would like to enable live
> migration.
>
> I have a number of hosts (up to 16) each with 2xTB drives.  These hosts
> are also my compute/network/controller nodes.
>
> The three I am considering are:
>
> GlusterFS - I have the most experience with this, and it seems the easiest.
>
> CephFS/RADOS - Interesting because glance supports the rbd backend.
>  Slightly worried because of this though "Important:
> Mount the CephFS filesystem on the client machine, not the cluster
> machine."
> (I wish it said why...)  and "CephFS is not quite as stable as the block
> device and the object storage gateway."
>  Lustre - A little hesitant now that Oracle is involved with it.
>
>
> If anyone has any advice, or can point out another that I should consider
> it would be greatly appreciated.
>
> Thanks!
>
> Sam
>
>
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